A Poisoning at Castle Gloaming

After a two-day train journey, peripatetic dressmaker Jemima Flowerday makes the final approach to her new job on foot, following the canal to Castle Gloaming, which stands in the rugged North Wales countryside overlooking the foaming River Dee. Jemima has come to clothe Mrs Cornelia van Doorn, a wealthy South African widow who has leased the castle from its impoverished aristocratic owner, intend...